About
Tobias Estreen is co-founder of Stilta. He previously worked at QuantumBlack (McKinsey & Company) developing agentic AI systems for enterprise clients, and holds background in physics and machine learning from KTH and KU Leuven.
Founder at StiltaYC W26
Intro paths
YC
Tobias went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Gustaf Alstromer — the partner who ran Stilta's batch and knows the company first-hand. YC profile ↗
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In turn, Tobias can intro founders to Stilta's investors below.
